多轮审查和修复

Assets/Scripts/Core/IAudioService.cs

@@ -1,3 +1,5 @@
+using UnityEngine;
+
 namespace BaseGames.Core
 {
     /// <summary>
@@ -15,6 +17,9 @@ namespace BaseGames.Core
         /// <summary>单次播放音效。</summary>
         void PlaySFX(string key);
 
+        /// <summary>在世界坐标播放音效片段（用于 3D 音效）。</summary>
+        void PlaySFXAtPosition(AudioClip clip, Vector2 position, float volumeScale = 1f);
+
         /// <summary>设置混音器音量（0–1）。group 取 AudioMixerKeys 常量。</summary>
         void SetVolume(string group, float normalizedVolume);
     }